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ARSENIC SEPARATION FROM WATER USING ZEOLITES: SYMPOSIUM
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NRMRL-ADA-01134 Shevade, S, Ford*, R., and Puls*, R.W. "Arsenic Separation from Water Using Zeolites." In: 222nd ACS National Meeting, ACS Environmental Chemistry Division Symposia, Chicago, IL, 08/26-30/2001. 2001. 04/23/2001 This is an abstract of a proposed presentation and does not necessarily reflect EPA policy. Arsenic is known to be a hazardous contaminant in drinking water. The presence of arsenic in water supplies has been linked to arsenical dermatosis and skin cancer . Zeolites are well known for their ion exchange capacities. In the present work, the potential use of a variety of zeolites for removal of arsenic from water has been examined at roon temperature. A variety of synthetic zeolites have been evaluated before and after modification of the exchange cation. Experiments have been conducted to examine the extent of arsenic removal as a function of pH and the kinetics of the reaction. The main objective of this research is to identify the most effective zeolite that remains active over a wide range of pH. This is an abstract of a proposed presentation and does not necessarily reflect EPA policy.